#encoding:utf-8
import os

from flask_sqlalchemy import SQLAlchemy
from app import create_app, db
from app.models import User, Role  #导入数据库的两个模型
from flask_script import Manager, Shell   #导入flask_script
from flask_migrate import Migrate, MigrateCommand  #导入flask_migrate

app = create_app(os.getenv('FLASK_CONFIG') or 'default')
manager = Manager(app)
migrate = Migrate(app, db)

def make_shell_context():
    return dict(app=app, db=db, User=User, Role=Role)
    manager.add_command("shell",         #避免重复导入数据库模型
    Shell(make_context=make_shell_context))
    manager.add_command('db', MigrateCommand)

if __name__ == '__main__':
    manager.run()